Gate valve sealing structure



FIG. 1 is a perspective view of a gate valve sealing structure according to the present invention.

FIG. 2 is right side elevation view of the structure of FIG. 1, the left side view being a mirror image thereof.

FIG. 3 is a front elevation view of the structure of FIG. 1, the rear view being a mirror image thereof.

FIG. 4 is a top plan view of the structure of FIG. 1; and,

FIG. 5 is a bottom plan view of the structure of FIG. 1.

The broken lines in FIG. 1 of a gate valve are illustrative of environmental structure only and form no part of the claimed design. 

The ornamental design for a gate valve sealing structure, as shown and described. 